A hot dog in an aquarium casing with a bottle of mustard nearby. A hotdog and a bottle of mustard behind glass. a fat hot dog on a bun next to some mustard A hotdog with mustard put on it by a mustard bottle hanging upside down. A hot top laying on a surface with mustard, and a mustard bottle hanging upside down by a coil. A hot top laying on a surface with mustard, and a mustard bottle hanging upside down by a coil.